linux-kernel - Re: [PATCH] Fix longstanding load balancing bug in the scheduler V2

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Date:	Fri, 15 Sep 2006 11:44:28 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Andrew Morton <akpm@...l.org>
Cc:	Christoph Lameter <christoph@....com>,
	Nick Piggin <npiggin@...e.de>,
	"Siddha, Suresh B" <suresh.b.siddha@...el.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Fix longstanding load balancing bug in the scheduler V2


* Andrew Morton <akpm@...l.org> wrote:

> On Tue, 12 Sep 2006 11:37:55 -0700 (PDT)
> Christoph Lameter <christoph@....com> wrote:
> 
> > Fix longstanding load balancing bug in the scheduler V2.
> > 
> > AFAIK this is an important scheduler bug that needs to go 
> > into 2.6.18 and all stable release since the issue can stall the 
> > scheduler for good.
> 
> The timing is of course problematic.  One approach could be to merge 
> it into 2.6.19-early, backport into 2.6.18.x after a few weeks.  I 
> don't know if that's a lot better, really - it's unlikely that anyone 
> will be running serious performance testing against 2.6.19-rc1 or 
> -rc2.

with that release approach it's:

Acked-by: Ingo Molnar <mingo@...e.hu>

> I'm struggling to understand how serious this really is - if the bug 
> is "longstanding" then very few machines must be encountering it?

yeah.

	Ingo
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